<?php // $Id: get_db_directories.class.php,v 1.8.2.3 2008/01/03 15:03:00 skodak Exp $

///////////////////////////////////////////////////////////////////////////
//																	   //
// NOTICE OF COPYRIGHT												   //
//																	   //
// Moodle - Modular Object-Oriented Dynamic Learning Environment		 //
//		  http://moodle.com											//
//																	   //
// Copyright (C) 1999 onwards Martin Dougiamas		http://dougiamas.com  //
//		   (C) 2001-3001 Eloy Lafuente (stronk7) http://contiento.com  //
//																	   //
// This program is free software; you can redistribute it and/or modify  //
// it under the terms of the GNU General Public License as published by  //
// the Free Software Foundation; either version 2 of the License, or	 //
// (at your option) any later version.								   //
//																	   //
// This program is distributed in the hope that it will be useful,	   //
// but WITHOUT ANY WARRANTY; without even the implied warranty of		//
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the		 //
// GNU General Public License for more details:						  //
//																	   //
//		  http://www.gnu.org/copyleft/gpl.html						 //
//																	   //
///////////////////////////////////////////////////////////////////////////

/// This class will check all the db directories existing under the
/// current Moodle installation, sending them to the SESSION->dbdirs array

class get_db_directories extends XMLDBAction {

	/**
	 * Init method, every subclass will have its own
	 */
	function init() {
		parent::init();
	/// Set own core attributes
		$this->can_subaction = ACTION_NONE;
		//$this->can_subaction = ACTION_HAVE_SUBACTIONS;

	/// Set own custom attributes

	/// Get needed strings
		$this->loadStrings(array(
		/// 'key' => 'module',
		));
	}

	/**
	 * Invoke method, every class will have its own
	 * returns true/false on completion, setting both
	 * errormsg and output as necessary
	 */
	function invoke() {
		parent::invoke();

		$result = true;

	/// Set own core attributes
		$this->does_generate = ACTION_NONE;
		//$this->does_generate = ACTION_GENERATE_HTML;

	/// These are always here
		global $CFG, $XMLDB;

	/// Do the job, setting $result as needed

	/// Lets go to add all the db directories available inside Moodle
	/// Create the array if it doesn't exists
		if (!isset($XMLDB->dbdirs)) {
			$XMLDB->dbdirs = array();
		}

	/// get list of all dirs and create objects with status
		$db_direcotries = get_db_directories();
		foreach ($db_direcotries as $path) {
			$dbdir = new stdClass;
			$dbdir->path = $path;
			if (!isset($XMLDB->dbdirs[$dbdir->path])) {
				$XMLDB->dbdirs[$dbdir->path] = $dbdir;
			 }
			$XMLDB->dbdirs[$dbdir->path]->path_exists = file_exists($dbdir->path);  //Update status
		 }

	/// Sort by key
		ksort($XMLDB->dbdirs);

	/// Return ok if arrived here
		return true;
	}
}
?>
